The chained .replace("Z", "+00:00").replace("+00:00", "") calls were
undoing each other, causing Z-suffixed timestamps to lose timezone info.
Now strips "Z" directly and ensures naive datetime for cutoff comparison.
Added regression test for old Z-suffixed timestamps.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Fix bare except clauses in curator.py and main.py
- Change embedding model to snowflake-arctic-embed2
- Increase semantic_score_threshold to 0.6
- Add memory context explanation to systemprompt.md
- Add pytest dependencies to requirements.txt
- Remove unused context_handler.py and .env.example
- Add project documentation (CLAUDE.md) and test files
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>